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Enhanced DisplayNixie program and systemd / nixie.service #1

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cd9e0ee
Enhanced DisplayNixie Utility
UberEclectic Mar 2, 2019
498ad06
Create README.md
UberEclectic Mar 2, 2019
ed338de
Update README.md
UberEclectic Mar 3, 2019
736ba54
Update README.md
UberEclectic Mar 3, 2019
0daed86
Option to use system RTC, display 12-hour or 24-hour
UberEclectic Mar 3, 2019
8baa6ca
Option to use system RTC, display 12-hour or 24-hour
UberEclectic Mar 3, 2019
bf584c6
Added directory creation step to instructions in README.md
Aug 9, 2019
c9135c0
Merge pull request #1 from daviddever/master
UberEclectic Aug 9, 2019
0dc1a54
Merge pull request #2 from afch/master
UberEclectic Feb 19, 2021
bf3d412
Updated for NCS314-6 v2.3 05/05/2020 model
UberEclectic Feb 19, 2021
ca947ef
Updated for NCS314-6 v2.3 05/05/2020 model. Updated README.
UberEclectic Feb 19, 2021
6f2c53e
Updated for NCS314-6 v2.3 05/05/2020 model. Added signal handling to …
UberEclectic Feb 20, 2021
8acf5c4
Updated for NCS314-6 v2.3 05/05/2020 model and signal handling.
UberEclectic Feb 20, 2021
20e9df8
Added wiringpi installation instructions to readme
Apr 9, 2024
2644322
Merge pull request #3 from daviddever/master
UberEclectic Apr 9, 2024
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Updated for NCS314-6 v2.3 05/05/2020 model. Added signal handling to … 
…shut off Nixie tubes upon exit.
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@UberEclectic
UberEclectic committed Feb 20, 2021
commit 6f2c53ecf2d0b603f77498a312eec1014854c6c2
22 changes: 19 additions & 3 deletions DisplayNixie/src/DisplayNixie.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
#include <wiringPiI2C.h>
#include <softTone.h>
#include <softPwm.h>
#include <signal.h>

using namespace std;
#define R5222_PIN 22
Expand Down Expand Up @@ -54,7 +55,6 @@ bool HV5222;
#define RIGHT_REPR_START 2
#define RIGHT_BUFFER_START 4


uint16_t SymbolArray[10]={1, 2, 4, 8, 16, 32, 64, 128, 256, 512};

int fileDesc;
Expand Down Expand Up @@ -285,10 +285,26 @@ uint32_t addBlinkTo32Rep(uint32_t var) {
return var;
}

// Interrupt handler to turn off Nixie upon SIGINT(2), SIGQUIT(3), SIGTERM(15), but not SIGKILL(9)
void signal_handler (int sig_received)
{
printf("Received Signal %d; Exiting.\n", sig_received);
resetFireWorks();
digitalWrite(LEpin, LOW);
wiringPiI2CWrite(fileDesc, I2CFlush);
exit(sig_received);
}

//uint64_t* reverseBit(uint64_t num);
uint64_t reverseBit(uint64_t num);

int main(int argc, char* argv[]) {

// Setup signal handlers
signal(SIGINT, signal_handler);
signal(SIGQUIT, signal_handler);
signal(SIGTERM, signal_handler);

printf("Nixie Clock v%s \n\r", _VERSION);

wiringPiSetup();
Expand Down Expand Up @@ -341,9 +357,9 @@ int main(int argc, char* argv[]) {

// Tell the user the fireworks mode
if (doFireworks)
puts("Firworks ENABLED at start.");
puts("Fireworks ENABLED at start.");
else
puts("Firworks DISABLED at start.");
puts("Fireworks DISABLED at start.");

// Further setup...
initPin(UP_BUTTON_PIN);
Expand Down